[INFO] fetching crate mizaru 0.1.3...
[INFO] checking mizaru-0.1.3 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608
[INFO] extracting crate mizaru 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mizaru 0.1.3
[INFO] finished tweaking crates.io crate mizaru 0.1.3
[INFO] tweaked toml for crates.io crate mizaru 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mizaru 0.1.3 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 112 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.9.2)
[INFO] [stderr]       Adding rsa v0.3.0 (available: v0.9.8)
[INFO] [stderr]       Adding sha2 v0.9.9 (available: v0.10.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82c4a66534d2262d8d5ca28d33545db7746dd91cb4c98a45f6aa9e8ae5cbcddb
[INFO] running `Command { std: "docker" "start" "-a" "82c4a66534d2262d8d5ca28d33545db7746dd91cb4c98a45f6aa9e8ae5cbcddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82c4a66534d2262d8d5ca28d33545db7746dd91cb4c98a45f6aa9e8ae5cbcddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c4a66534d2262d8d5ca28d33545db7746dd91cb4c98a45f6aa9e8ae5cbcddb", kill_on_drop: false }`
[INFO] [stdout] 82c4a66534d2262d8d5ca28d33545db7746dd91cb4c98a45f6aa9e8ae5cbcddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f840251afaf285a6285768009aead719c4a0beb4a2a72ff5e19229dade4c960e
[INFO] running `Command { std: "docker" "start" "-a" "f840251afaf285a6285768009aead719c4a0beb4a2a72ff5e19229dade4c960e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking pem v0.8.3
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking secret_integers v0.1.7
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking backtrace v0.3.75
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking fdh v0.7.3
[INFO] [stderr]     Checking rsa v0.3.0
[INFO] [stderr]     Checking rsa-fdh v0.5.0
[INFO] [stderr]     Checking mizaru v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `core::slice::<impl [T]>::len` that must be used
[INFO] [stdout]    --> src/keypair.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         merkle_branch.len();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let _ = merkle_branch.len();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::slice::<impl [T]>::len` that must be used
[INFO] [stdout]    --> src/keypair.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         merkle_branch.len();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let _ = merkle_branch.len();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.99s
[INFO] running `Command { std: "docker" "inspect" "f840251afaf285a6285768009aead719c4a0beb4a2a72ff5e19229dade4c960e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f840251afaf285a6285768009aead719c4a0beb4a2a72ff5e19229dade4c960e", kill_on_drop: false }`
[INFO] [stdout] f840251afaf285a6285768009aead719c4a0beb4a2a72ff5e19229dade4c960e